a homeland security fbi intelligence bulletin posted yesterday warns the risk of violence could increase here in the united states but says it has no credible evidence. >> it's strictly a cya cover your back side in case something happens somewhere, somehow and they have the next commission of why weren't we warned, they can say, oh, we warned you. >> reporter: in libya, the president of the congress there told cbs the killers of the americans will be caught. >> everyone is determined. >> reporter: the attackers are believed to be affiliated with al qaeda as is the group that released a new video of warren winesteen who was captured in pakistan making a new appeal for release. >> i seek for my release. >> reporter: it went on to say that the administration has been unresponsive. near his company in arlington or his family in rockville responded to our request to talk about it. and as part of an effort, a u.s. marine rapid response team has now been dispatched to sudan. teams have already been sent to yemen and libya. derek. >>. >>> well, there is some bad news on the economic front. cred